The permanent magnet brush - less motor is driven effectively by selecting the bootstrap components properly and dealing with the parasitics correctly . the software design is composed of c language for dsp and vhdl ( high speed hardware description language ) for cpld 设计了基于功率mosfet和栅极驱动芯片ir2130的功率驱动电路,通过对驱动电路自举元件的合理选择以及寄生效应的正确分析和处理,实现了无刷直流电机的高效驱动。